FVXX20 KWBC 051349 VOLCANIC ASH ADVISORY ISSUED: 2003SEP05/1350Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/213 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ONGOING ERUPTION SINCE 20AUG/1745Z. OBS ASH DATE/TIME: 05/1315Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/210 MOVING W 15-20 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD. REMARKS: WITH CLOUDS OBSCURING THE VOLCANO NO ASH CAN BE SEEN IN THE MORNING VISIBLE SATELLITE IMAGERY. THERE HAS BEEN AN AIRCRAFT REPORT AT 1324Z OF A PLUME OF ASH AT FL200 MOVING WEST FROM THE VOLCANO. THE GEOPHYSICAL INSTITUTE ALSO REPORTS ALMOST CONSTANT TREMOR ACTIVITY BUT CLOUDS OBSCURE GROUND OBSERVATIONS TOO. NEXT ADVISORY: WILL BE ISSUED BY 2003SEP05/2000Z. NNNN